United States Aerospace & Defense

Momentus Inc (MNTS)

Track

Momentus Inc. recorded five buy transactions totaling $35,141 over the past ninety days. Two insiders acquired shares, while no executive selling occurred. This activity follows a period where the stock price declined 12.5%. The next earnings report is scheduled for August 2026, following the previous release in November 2025.
Ticker: MNTS Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Momentus Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Buy 21 May 2026
Value US$1,298,728.75 | Price 411.28 | Shares 29,963 (+13.6%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-26 2026-05-21 B Purchase
Hadfield Chris
Non-Executive Director
29,963 +13.6%
411.28
US$1,298,729 		29,963 +13.6% 411.28 US$1,298,729
2026-05-22 2026-05-20 B Purchase
4.3
Kabot Brian
Non-Executive Director
908 +6.9%
61.51
US$1,754,252 		908 +6.9% 61.51 US$1,754,252
2026-05-20 2026-05-19 B Purchase
4.3
Kabot Brian
Non-Executive Director
68,146 +13.4%
166.76
US$4,978,765 		68,146 +13.4% 166.76 US$4,978,765
2026-05-20 2026-05-15 B Purchase
4.3
Kabot Brian
Non-Executive Director
1,850 +128.0%
5.40
US$9,999 		1,850 +128.0% 5.40 US$9,999
2026-05-18 2026-05-15 B Purchase
Hadfield Chris
Non-Executive Director
1,500 +inf%
5.32
US$7,980 		1,500 +inf% 5.32 US$7,980
2023-12-05 2023-12-01 S Sale
4.3
Kabot Brian
Non-Executive Director
400 -9.6%
2.60
US$1,040 		400 -9.6% 2.60 US$1,040
2023-11-03 2023-11-01 S Sale
4.3
Kabot Brian
Non-Executive Director
400 -8.7%
3.50
US$1,400 		400 -8.7% 3.50 US$1,400
2023-10-04 2023-10-02 S Sale
4.3
Kabot Brian
Non-Executive Director
400 -8.0%
2.17
US$868 		400 -8.0% 2.17 US$868
2023-10-02 2023-10-02 PrS Proposed sale
4.3
Kabot Brian

Officer

Officer
1,200
4.00
US$4,800 		1,200 4.00 US$4,800
2023-09-26 2023-09-26 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
1,327 -22.1%
1.91
US$2,538 		1,327 -22.1% 1.91 US$2,538
2023-09-26 2023-09-26 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
3,332 -22.1%
1.91
US$6,373 		3,332 -22.1% 1.91 US$6,373
2023-09-26 2023-09-26 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
1,344 -22.1%
1.91
US$2,571 		1,344 -22.1% 1.91 US$2,571
2023-09-26 2023-09-26 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
6,819 -22.1%
1.91
US$13,043 		6,819 -22.1% 1.91 US$13,043
2023-09-26 2023-09-26 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
17,202 -22.1%
1.91
US$32,902 		17,202 -22.1% 1.91 US$32,902
2023-09-26 2023-09-25 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
2,412 -28.7%
2.04
US$4,931 		2,412 -28.7% 2.04 US$4,931
2023-09-26 2023-09-25 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
6,056 -28.7%
2.04
US$12,381 		6,056 -28.7% 2.04 US$12,381
2023-09-26 2023-09-25 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
2,442 -28.7%
2.04
US$4,993 		2,442 -28.7% 2.04 US$4,993
2023-09-26 2023-09-25 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
12,392 -28.7%
2.04
US$25,335 		12,392 -28.7% 2.04 US$25,335
2023-09-26 2023-09-25 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
31,261 -28.7%
2.04
US$63,913 		31,261 -28.7% 2.04 US$63,913
2023-09-26 2023-09-22 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
1,048 -11.1%
2.39
US$2,501 		1,048 -11.1% 2.39 US$2,501
2023-09-26 2023-09-22 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
2,630 -11.1%
2.39
US$6,276 		2,630 -11.1% 2.39 US$6,276
2023-09-26 2023-09-22 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
1,060 -11.1%
2.39
US$2,529 		1,060 -11.1% 2.39 US$2,529
2023-09-26 2023-09-22 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
5,381 -11.1%
2.39
US$12,840 		5,381 -11.1% 2.39 US$12,840
2023-09-26 2023-09-22 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
13,574 -11.1%
2.39
US$32,390 		13,574 -11.1% 2.39 US$32,390
2023-09-14 2023-09-14 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
6,255 -39.8%
3.36
US$20,991 		6,255 -39.8% 3.36 US$20,991
2023-09-14 2023-09-14 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
15,702 -39.8%
3.36
US$52,693 		15,702 -39.8% 3.36 US$52,693
2023-09-14 2023-09-14 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
6,331 -39.8%
3.36
US$21,246 		6,331 -39.8% 3.36 US$21,246
2023-09-14 2023-09-14 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
32,129 -39.8%
3.36
US$107,818 		32,129 -39.8% 3.36 US$107,818
2023-09-14 2023-09-14 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
81,055 -39.8%
3.36
US$272,004 		81,055 -39.8% 3.36 US$272,004
2023-09-14 2023-09-13 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
1,438 -8.4%
4.51
US$6,489 		1,438 -8.4% 4.51 US$6,489
2023-09-14 2023-09-13 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
3,610 -8.4%
4.51
US$16,290 		3,610 -8.4% 4.51 US$16,290
2023-09-14 2023-09-13 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
1,456 -8.4%
4.51
US$6,570 		1,456 -8.4% 4.51 US$6,570
2023-09-14 2023-09-13 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
7,387 -8.4%
4.51
US$33,334 		7,387 -8.4% 4.51 US$33,334
2023-09-14 2023-09-13 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
18,637 -8.4%
4.51
US$84,099 		18,637 -8.4% 4.51 US$84,099
2023-09-14 2023-09-12 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
88 -0.5%
5.19
US$457 		88 -0.5% 5.19 US$457
2023-09-14 2023-09-12 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
220 -0.5%
5.19
US$1,141 		220 -0.5% 5.19 US$1,141
2023-09-14 2023-09-12 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
89 -0.5%
5.19
US$462 		89 -0.5% 5.19 US$462
2023-09-14 2023-09-12 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
450 -0.5%
5.19
US$2,335 		450 -0.5% 5.19 US$2,335
2023-09-14 2023-09-12 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
1,136 -0.5%
5.19
US$5,894 		1,136 -0.5% 5.19 US$5,894
2023-09-11 2023-09-11 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
349 -2.0%
5.57
US$1,944 		349 -2.0% 5.57 US$1,944
2023-09-11 2023-09-11 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
877 -2.0%
5.57
US$4,885 		877 -2.0% 5.57 US$4,885
2023-09-11 2023-09-11 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
354 -2.0%
5.57
US$1,972 		354 -2.0% 5.57 US$1,972
2023-09-11 2023-09-11 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
1,794 -2.0%
5.57
US$9,992 		1,794 -2.0% 5.57 US$9,992
2023-09-11 2023-09-11 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
4,526 -2.0%
5.57
US$25,208 		4,526 -2.0% 5.57 US$25,208
2023-09-08 2023-09-11 PrS Proposed sale
Momentus PML SPV 3 LP

10% Stockholder

Large shareholder
44,712
5.75
US$257,000 		44,712 5.75 US$257,000
2023-09-08 2023-09-11 PrS Proposed sale
MOMENTUS PML SPV 2 LP

10% Stockholder

Large shareholder
17,810
5.84
US$104,000 		17,810 5.84 US$104,000
2023-09-07 2023-09-09 PrS Proposed sale
4.3
Prime Movers Lab Fund I LP

10% Stockholder

Large shareholder
96,828
6.51
US$630,000 		96,828 6.51 US$630,000
2023-09-11 2023-09-08 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
484 -2.7%
5.81
US$2,814 		484 -2.7% 5.81 US$2,814
2023-09-11 2023-09-08 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
1,215 -2.7%
5.81
US$7,065 		1,215 -2.7% 5.81 US$7,065
2023-09-11 2023-09-08 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
490 -2.7%
5.81
US$2,849 		490 -2.7% 5.81 US$2,849
2023-09-11 2023-09-08 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
2,485 -2.7%
5.81
US$14,449 		2,485 -2.7% 5.81 US$14,449
2023-09-11 2023-09-08 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
6,269 -2.7%
5.81
US$36,451 		6,269 -2.7% 5.81 US$36,451
2023-09-08 2023-09-08 PrS Proposed sale
Prime Movers Growth Fund I LP

10% Stockholder

Large shareholder
17,596
5.85
US$103,000 		17,596 5.85 US$103,000
2023-09-08 2023-09-08 PrS Proposed sale
Momentus PML SPV 1 LP

10% Stockholder

Large shareholder
90,386
5.82
US$526,000 		90,386 5.82 US$526,000
2023-09-08 2023-09-08 PrS Proposed sale
4.3
Prime Movers Lab Fund I LP

10% Stockholder

Large shareholder
6,269
211.52
US$1,326,000 		6,269 211.52 US$1,326,000
2023-09-07 2023-09-08 PrS Proposed sale
Momentus PML SPV 3 LP

10% Stockholder

Large shareholder
18,757
6.56
US$123,000 		18,757 6.56 US$123,000
2023-09-07 2023-09-08 PrS Proposed sale
Prime Movers Growth Fund I LP

10% Stockholder

Large shareholder
7,472
6.51
US$48,624 		7,472 6.51 US$48,624
2023-09-07 2023-09-08 PrS Proposed sale
Momentus PML SPV 1 LP

10% Stockholder

Large shareholder
38,381
6.51
US$250,000 		38,381 6.51 US$250,000
2023-09-11 2023-09-07 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
906 -4.8%
6.51
US$5,896 		906 -4.8% 6.51 US$5,896
2023-09-11 2023-09-07 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
2,276 -4.8%
6.51
US$14,811 		2,276 -4.8% 6.51 US$14,811
2023-09-11 2023-09-07 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
917 -4.8%
6.51
US$5,967 		917 -4.8% 6.51 US$5,967
2023-09-11 2023-09-07 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
4,656 -4.8%
6.51
US$30,299 		4,656 -4.8% 6.51 US$30,299
2023-09-11 2023-09-07 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
11,748 -4.8%
6.51
US$76,450 		11,748 -4.8% 6.51 US$76,450
2023-09-07 2023-09-07 PrS Proposed sale
MOMENTUS PML SPV 2 LP

10% Stockholder

Large shareholder
7,563
6.61
US$50,000 		7,563 6.61 US$50,000
2023-09-06 2023-09-01 S Sale
4.3
Kabot Brian
Non-Executive Director
400 -7.4%
10.95
US$4,381 		400 -7.4% 10.95 US$4,381
2023-08-18 2023-08-17 PlS Planned sale
Mercado Victorino
Non-Executive Director
33,189 -26.3%
0.31
US$10,219 		33,189 -26.3% 0.31 US$10,219
2023-08-17 2023-08-17 PrS Proposed sale
Mercado Victorino

Director

Non-Executive Director
33,189
0.31
US$10,218 		33,189 0.31 US$10,218
2023-08-02 2023-08-01 S Sale
4.3
Kabot Brian
Non-Executive Director
20,000 -7.2%
0.42
US$8,410 		20,000 -7.2% 0.42 US$8,410
2023-07-05 2023-07-03 S Sale
4.3
Kabot Brian
Non-Executive Director
20,000 -6.7%
0.31
US$6,272 		20,000 -6.7% 0.31 US$6,272
2023-07-03 2023-07-03 PrS Proposed sale
4.3
Kabot Brian

Officer

Officer
60,000
0.32
US$19,200 		60,000 0.32 US$19,200
2023-06-09 2023-06-08 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
722,301 -12.9%
0.27
US$192,060 		722,301 -12.9% 0.27 US$192,060
2023-06-09 2023-06-08 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
1,822,239 -12.9%
0.27
US$484,533 		1,822,239 -12.9% 0.27 US$484,533
2023-06-09 2023-06-07 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
413,152 -6.9%
0.31
US$126,796 		413,152 -6.9% 0.31 US$126,796
2023-06-09 2023-06-07 S Sale
4.3
Prime Movers Lab Fund I LP
Large shareholder
1,042,308 -6.9%
0.31
US$319,884 		1,042,308 -6.9% 0.31 US$319,884
2023-06-07 2023-06-07 PrS Proposed sale
Momentus PML SPV 1 LP

10% Stockholder

Large shareholder
6,011,780
0.30
US$1,803,534 		6,011,780 0.30 US$1,803,534
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